|First issued|Design|Slogan|Serial format|Serials issued|Notes|
|---|---|---|---|---|---|
|1957-65 (odd years only)|Embossed white on forest green with uncolored border line; VERMONT embossed in plain block letters centered below numbers, with last two digits of registration year in similar font at bottom right|SEE embossed in same letters as VERMONT, at lower left|12345 (rounded numbers)||Alternated with white plates from 1957 to 1966|
|1958-66 (even years only)|Embossed forest green on white with uncolored border line; VERMONT embossed in plain block letters centered below numbers, with last two digits of registration year in similar font at bottom right|SEE embossed in same letters as VERMONT, at lower left|12345 (rounded numbers) A1234 (1962 only)||Alternated with forest green plates from 1957 to 1966|
|1967|Embossed white on green with border line; VERMONT embossed in plain block letters centered below numbers, with last two digits of registration year in similar font at bottom right|None|1234 A-1234 1234-A||Color changed from forest green to the kelly green used today|
|1969|Embossed white on green with border line; VERMONT embossed in plain block letters centered below numbers; registration sticker at bottom right corner|SEE embossed in lower left corner|1234 A-1234 1234-A||SEE returned to plate|
|1972|Embossed white on green with border line; VERMONT embossed in plain block letters centered above numbers; registration sticker at bottom left corner|SEE embossed in top left corner|A-1234 1234-A AB-123 A123B|||
|1976|Embossed white on green with border line; VERMONT embossed in plain block letters centered below numbers; white circle embossed to lower left; registration sticker at lower right|GREEN MOUNTAINS embossed in thin block letters centered above numbers|A-1234 1234-A AB123 123AB|||
|1977|Embossed white on green with beveled edge and white rectangular box around numbers; Vermont in white stylized font screened above white box, with white sugar maple in upper left corner; registration sticker at lower right corner|Green Mountain State screened in white plain serifed font centered below white box|123A4 (rounded numbers)|||
|1985|Embossed white on green with beveled edge and white rectangular box around numbers; Vermont in white stylized font screened above white box, with white sugar maple in upper left corner; registration sticker at lower right corner|Green Mountain State screened in white plain serifed font centered below white box|1A234 123A4 1AB23 12AB3 ABC 123 123A456 (more rectangular numbers than previous set)|1A100 to 9Y999 100A1 to 999Y9 1AA00 to ?F?99 00AA1 to 99??9 AAB 100 to present 100A100 to present|The "1AA" series never reached 1GA Currently, the letters I, J, O, Q, U, V and Z are not in regular use. The "100A100" series are new truck plates issued starting in mid-2009.|

Question: how many different passenger baseplates for vehicle registration have been used in vermont?
Answer: 8